Post a New Question

physics

posted by on .

A person swings a 0.33 kg tether ball tied to a 5.4 m rope in an approximately horizontal circle.

(a) If the maximum tension the rope can withstand before breaking is 11 N, what is the maximum angular speed of the ball?

--I figured out the rest of the problem and i just need help with this. thanks

  • physics - ,

    gravity force down = .33 * 9.8 = 3.23 N
    If approximately horizontal assume swing radius = 5.4 m
    m v^2/r = m w^2 r = .33*w^2*5.4 = 1.78 w^2

    11 = sqrt (3.23^2 + 1.78^2 w^2)
    121 = 10.4 + 3.18 w^2
    w^2 = 110.5/3.18 = 34.77
    w = 5.9 radians/second

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question